Beading and seam-hammering machine.



F. ETHRIDGE.

HEADING AND SEAM HAMMERING MACHINE.

APPLICATION MLPD JAN.2B,1914.

1,128,183. Patented 1m29, 1914.

THE NORRAS PETERS co PHOTO LITHO.. wAsHlNnmN, D c

FRANK N. ETHRIDGE, OE LYNN, MASSACHUSETTS,

ASSIGNOROF ONE-HALF TO JAMES A.

WENSLEY, F LYNN,` MASSACHUSETTS.

BEADING AND SEAM-I-IAIVIMERING MACHINE.

Specification of Letters Patent.

Patented nec. 2a, 1era..

Application filed January 28, 1914. Serial No. 814,950.

To aZZ whom it may concern a citizen of the United States, and resident of Lynn, in the county of Essex and State of Massachusetts, have invented certain new and useful Improvements in Beading and Seam-Hammering Machines, of which the following is a specification.

This invention relates to a machine for erfecting the seam formed by sewing together two layers forming or shoe or other article, the layers being sewed together wrong side out and subsequently turned right side out. A beading machine is equipped with thin, flat-sided turning arms, usually called irons, which are oscillated in parallel planes side by side and act in a well known manner between the sewed layers after they have been turned right side out, and impart a smooth form to the seam. A machine of this character' is also equipped with means for hammering or flattening the seam, said means including a bed or anvil and a hammer coperating therewith.

One object of my invention is to provide improved mechanism for simultaneously oscillating the beading irons in a positive manner without the employment of a spring or springs.

Another object of the invention is to provide improved means for imparting to one of the irons a combined vertical reciprocating movement and a substantially horizontal oscillating movement, the other iron having only a substantially horizontal oscillating movement.

Another obj ect of the invention is to provide certain improvements relating to the hammer and the means for operating it, whereby the force of the hammer blow may be varied within considerable limits and the acting face of the hammer cushioned to prevent the possibility of injury to the work by excessive hammer pressure.

To these and other related ends the invention consists in the improvements which 1 will now proceed to describe and claim.

Of the accompanying drawings forminga part of this specification: Figure 1 represents a front end elevation of a machine embodying my invention, parts of the casing being ybroken away; Fig. 2 represents a section on line 2-2 of Fig. 1; Fig. 3 represents a section on line 3-3 of Fig. 2; Fig. 1 reprea part of a boot sents a section on line 1 -4c of Fig. 2, and a plan view of the parts below said line; Fig. 5 represents a section on line 5-5 of Fig. 2; Fig. 6 represents a section on line 6-6 of Fig. 2; Fig. 7 represents a section on line 7 7 of Fig. 6; Fig. 8 represents a section on line 8-8 of F ig. 2; Fig. 9 represents a section on line 9-9 of Fig. 2; Fig. 10 represents a section on line 10-10 of Fig. 2, and a plan view of parts below said line; Figs. 11 and 12 are side views of the turning irons shown separately, the movements of the two irons being illustrated by full and dotted lines.

The same or similar characters indicate the same parts in all the views.

12 and 13 represent the turning irons which are thin, fiat-sided arms located side by side in rubbing contact with each other as usual.

The inner iron 13 has a tubular fulcrum stud let (Fig. 2) journaled in a bearing 15 in a post 16 on the supporting frame or casing 1T, the iron 13 being oscillated horizontally between the two extremes of movement represented by Fig 12, by the mechanism hereinafter described.

The outer iron 12 has a vertically elongated slot 18 which receives a block 19 supported by a stud 2O which is fitted to turn in the tubular fulcrum stud 14. r1`he outer iron 12 is not only oscillated horizontally but is also reciprocated vertically by the mechanism hereinafter described, said iron being movable vertically on the block 19, while oscillating horizontally, as indicated by `full and dotted lines in Fig. 11.

The frame or casing of the machine includes a face plate 22 having a recess 23 in which the irons move as described, said face plate being attached by'screws 24: to the body of the frame. An adjustable gib 25 backed by set screws 26 bears on the outer side of the iron 12 and holds it in close rubbing contact with the iron 13.

The irons 12 and 13 are oscillated by a reciprocating head which moves in a path substantially at right angles with the path in which the irons oscillate, and has means for positively converting its reciprocating movement into oscillating movements of the irons. Said head as here shown includes two reciprocating slides or members 27 (Fig. 6) movable in fixed guides 29 in a thickened portion of the frame, and each provided y withv an oblique tongue 28 at its outer end.

Said guides constitutethe meansvhereinaiter referred to for lguiding the head and .the

`members 27 in rectilinear paths which are substantially at right angles with the paths in which the ironsl oscillate. Said tongues pass'through vertically elongated slots 30 (Fig. 1)' in the shanks 12a, 13a' ofl the irons 12 and 13, and are oppositely slanted as shown by Fig. 6, so thatA when they are reyciprocated in unisony they oscillate the irons positively and simultaneously lin opposite directions, they tongues-28 constituting motionfconverting members. j

vThe reciprocating head alsoy includes a carrier 31 engaged with the inner ends of ythe slides 27,: saidcarrier having -av transversev slot 32 which receives the inner ends so provision being thus made for detachably' engaging the carrier with the slides.

vof the slides, and ears 33 which enter pef f'ripheral. grooves 34 (Fig. 7) in the slides 27,

35 represents the driving shaft which is yjournaled in bearings 36 on the lframe, and has an eccentric 37 (shown by dotted lines .in Fig. 4) the strap 38 of which is connected by a rod 39 with the carrier 31. The rotation of the shaft therefore reciprocates L .kwhich forms a part of the mechanism forl the tongues 28 in unison. The driving shaft 35. is provided with another eccentric 40 vertically reciprocating the outer iron 12. The strap 41 of the eccentric 40 is connected by a.v rod 42 with an arm 43 attached to a rockshaft'44 journaled in bearings in the frame. -To the vrockshaft 44 is attached a ytubular arm 45, receiving a stud 46 which is pivoted at 46 to link 47. Said link is pivotally engaged'l with a stud 48 attached to the lower end of the shank of the outer" iron 12.r y

The arm 43,V rockshaft 44 and tubular arm v45 constitute a bell crank lever which is oscillated by the eccentric 40.. ,v l

The studv 46 is slidable endwise and adaptp ed to turn axially inthe arm 45, said stud,

thev pivot 46a, the link 47, and the stud 484 constituting a universal joint connection between the said bell crank lever and the longitudinally movable iron 12, which imparts aV vertical reciprocating ymovement to the v iron 12 when the said bell crank lever is oscillated. It will now be seen that simple mechanism is provided for positively moving the irons 12 and 13 in the various directions described, said mechanism being free from springs and accurately controlling the movements of the irons.

The rear portion vofthe frame is extended' upwardly to form araised standard which is providedwith ananvil 5()l and with an arm 51 having a .vertical guide 52.A In said guide is a vertically adjustable fulcrum block 53 preferably vmade of two sections of 'steel clamped togetherby screws54 ,(Fig. 5)

and `having recesses in their meeting faces l-to receive the rounded end of a hammery vlever 55, said end being adapted to turn in f the fulcrum block.

The hammer vleverV 55 is provided with a head adapted to coperate with the anvil 50 in flattening a seam placed `on the anvil. As here shown the head isformed by an enlargement 58 of thelever 55, said enlargement having a recess 59 and a spring receiving chamber 60, and an actingjmember 61 having a hammer face opposed to the face The member 61 has a stem 62- of the anvil. y extending through the chamber 6,0 and provided with an adjustable stop shoulder normally held by, a spring 63 against the upper end of the enlargement 58, said shoul-k der being preferably a nut 64 engaged with a threaded portion of the stem 62 and con- .y fined against accidental rotation thereon by a lock nut 65. The spring 63l is seated at.

one endon the'inner end of the chamber 60 and at the other end on the hammer member 61, and yieldingly projects the acting face of said memberlfrom the recess 59 to an extent determined `by' the adjustment of the shoulder or nut'64. The memberv 61 is therefore adapted to strike the work yield? ingly. .i y i The hammer lever is connectedk by a rod 66with the eccentric strap 38 so that the rotation of the eccentric 37 oscillates the hammel".

The fulcrum block 53 is verticallyy adjust-v able in the guide 52, to vary thelimit of the downward movement of vthe hammer face in accordance with the thicknessfof the work, so that when the workis of maximum thickness the fulcrum block may be adjustedto cause 'a relatively wide separation of the hammer face from the anvil at the end of its threaded orifice in the lower end of the guide, and confined against accidental rotation by a lock nut 74. The screws 69 and 73 are adapted to be adjusted to `vary the height pit' the fulcrum block as will be readily seen.

when said member 'reaches the downward limit of its throw,I while an .upward adjustvment of the fulcrum blockdecreases the width. of said space. The spring `71 enables the fulcrum block toyield downwardly downward adjustment of the fulcrumr block increases-.the width, of the space be` tween the hammer member 61 and the anvil, e

when the hammer face is in contact with the work and the rod 66 is at the same time eX- erting a downward pull on the hammer', so that said spring also tends to cushion the blow of the hammer, the cushioning action being regulable by the screw 73.

The rod 42 is adjustable in length to enable the limits of the longitudinal movement of the iron 12 to be adjusted, said rod being` composed of a central section having a right-hand thread at one end and a lefthand thread at the other end, and end sections 420' and 42h which are tapped to engage said threaded ends, so that rotation of the certral section shortens or lengthens the ro The slot 30 in the shank of the vertically movable iron is elongated sufliciently to permit the vertical movement of the iron l2 and the various adjustments' of the limits of said movement permitted by the described construction of the rod 42.

I claim 1. A machine of the character stated, comprising a pair of oscillatory turning irons, one of said irons being movable longitudinally when oscillating, a head having members adapted to positively convert a reciprocating motion of the head into an oscillating motion of the irons, means for guiding said head and motion-converting members in rectilinear paths substantially at right angles with the paths in which the irons oscillate, connections between said head and the shaft whereby the head is reciprocated, and connections between the shaft and the longitudinally movable iron whereby the latter is longitudinally reciprocated while oscillating.

2. A machine of the character stated, comprising a pair of oscillatory turning irons, one of which is also movable longitudinally, said irons having slotted shanks, a head movable in a pathv substantially at right angles with the paths in which the irons oscillate and having oppositely slanted oblique motion-converting members engaged in the slots in said irons, a driving shaft, connections between the head and sha-ft whereby the head is reciprocated, and connections between the shaft and the longitudinally movable iron whereby the latter is reciprocated longitudinally when oscillatmg, said last named connections including a bell crank lever arranged to be oscillated by the driving shaft and a universal joint connection between said lever and the longitudinally movable iron.

3. A machine of the character stated, comprising a supporting frame having an upwardly projecting standard, an anvil and a fulcrum guide located side by side on the upper end of the standard, a fulcrum block movable in said guide, a stop adjustably ent1 gaged with the guide and positively limiting the movement. of the fulcrum block in one direction, meansfor holding the fulcrum block against said stop, a hammer lever mounted at one end to swing on the fulcrum block and having an acting face at its opposite end opposed to the anvil, and means for oscillating the hammer lever.

l. A machine of the character stated, comprising a supporting frame having an upwardly projecting standard, an anvil and a fulcrum guide located side by side on the upper end of the standard, a fulcrum block movable in said guide, a stop adjustably engaged with one end of the guide and positively limiting the movement of the fulcrum block in one direction, a spring seated on the opposite end of the guide and holding the fulcrum block against said stop, a hammer lever mounted at one end to swing on the fulcrum block and having an acting face at its opposite end opposed to the anvil, and means for oscillating the hammer lever.

5. A machine of the character described, comprising a pair of oscillatory turning irons having slotted shanks, one of said irons being longitudinally movable while oscillating, and the slot in the shank thereof being elongated, a movable head having members adapted to positively convert a reciprocating motion of the head into an oscillating motion of the irons, means for guiding said head and members in rectilinear paths substantially at right angles with the paths in which the irons oscillate, connections between said head and shaft whereby the head is reciprocated, and connections between the shaft and the longitudinally movable iron whereby the latter is longitudinally reciprocated while oscillating, said connections including a bell crank lever, a universal joint connection between said lever and the longitudinally movable iron, an eccentric on the shaft, and a rod connected with the strap of said eccentric and with one arm of the bell crank lever, said rod being adjustable in length to adjust the limits of the longitudinal movement of the last mentioned iron. 6. A machine of the character stated, comprising a pair of oscillatory turning irons having slotted shanks, one of said irons being longitudinally movable, a head having oppositely slanted oblique motion-converting members engaged with the slots in said irons, vmeans for guiding said head and members in rectilinear paths substantially at right angles-with the paths in which the irons oscillate, a driving shaft, connections between the head and shaft whereby the head is reciprocated, and connections between the shaft and the longitudinally movable iron whereby the latter is longitudinally reciprocated while oscillating, said connections including a bell crank lever. a universal joint connection between said lever l andthe longitudinally movable rolnan ecment'and-various adjustments of the limits vcentric on lthefshaft, and. a rod connecting thereof.

s f 'l0 the strap of said eccentric With one arm of v In testimony :whereof I have affixed my the bell crank lever, said rod being adjustsignature, in presence of two Witnesses.

able in length to adjust the limits of the FRANKN. ETHRIDGE.' vlongitudinal movement of the last men- Witnesses: l Y

tioned iron, and the slot in said iron beingv G. F. BROWN, elongated to permit said longitudinal move- P. W. PEZZETTI.

Copies of this patent may be obtained for ve eents each, by addressing the Y Commissioner of Patents,

f Washington, DQC. y 

